TH95883A - Internal combustion engine components And a method for producing the same thing - Google Patents

Abstract

The DC60 internal combustion engine assembly is made up of an aluminum alloy with silicon. It consists of a group of silicon crystals placed on the sliding surface with a roughness of ten RzJIS average ten points of approximately 0.54 μm or more and a load length ratio of Rmr (30) at approximately 30% of the cutting surface. Approximately 20% or more of the internal combustion engine components are made up of aluminum alloys containing silicon. And consisted of a group of silicon crystals placed on the sliding surface, with a mean roughness of ten RzJIS points of approximately 0.54 (formula) m or more, and a load length ratio of Rmr (30) at a cutting level of approximately 30% of Ping Shifting will be 20% or more.

Claims (3)

Disclaimer (all) which will not appear on any notice page: 1. Internal combustion engine components containing silicon-containing aluminum alloys are composed of silicon crystals on top. Surface sliding, where The scroll surface has an average RzJIS ten-point roughness of approximately 0.54 (formula) m or more, and the Rmr (30) load length ratio of approximately 30% of the scroll surface is approximately 20% or more. 2. Combustion engine components. The inside of claim 1 is a clusters of crystal. Silicon consists of a group of first crystalline silicon pellets and a group of point alloy silicon pellets. 3. The internal combustion engine component of claim 2 is the type that the silicones group The first crystal shall have an average small size of not less than 12 (formula) m and not greater than approximately 50 (formula) m 4. The internal combustion engine component of claim 2 or 3 is a type that the group of The minimum freezing point of the Mexican alloys is as small as 7.5 (formula) m or less of average crystals. 5. The internal combustion engine component of any of the claims 1 to 4 is a design. At groups of silicon crystals, a grain size distribution with one vertex is in the grain size range. Not less than about 1 (formula) m and not more than approximately 7.5 (formula) m, and the second vertex is in the range. Crystalline grain size is not less than approx. 12 (formula) m and not more approx. 50 (formula) m 6. Internal combustion engine components of claim 5 are those whose frequencies at the vertex. One is at least five times greater than the frequency of the second vertex. 7. The internal combustion engine components of any of the claims 1 through 6 are those in which the aluminum alloy consists of not less than approximately 73.4 percent mass. And not more than approximately 79.6% mass of aluminum, not less than approximately 18% mass and not more than approximately 3.0% mass of copper 8. Internal combustion engine components of any one Clause 1 to 7. It is a type in which an aluminum alloy is composed of not less than approximately 50 ppm mass and not more than approximately 200 ppm mass of phosphorus. And not more than approximately 0.01% mass of calcium 9. Internal combustion engine components of any of the claims 1 to 8 are types in which the internal combustion engine components are the cylinder jacket 1 0. Internal combustion engine components. It consists of internal combustion engine components. Of any of the claims 1 through 9 1 1. The internal combustion engine of claim 10 is the one that the internal combustion engine In the piston composed of aluminum alloy. And new combustion engine components Inside is T-cylinder 1 2. Internal combustion engine transportation equipment of claim 10 or 11 1. 3. Methods for the manufacture of sliding surface burners components containing The process of arranging for the casting which is composed of an aluminum alloy and which is applied. First crystalline mexican and silicon grain alloy with the lowest freezing point close to the surface, the process of polishing the casting surface by using a grindstone with a grain size number # 1500 or More, and the process of milling up the polished surface joints of the casting to create a sliding surface from which the silicon grain slides. First crystal and silicon alloy pellets with the lowest freezing point protruding.